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I truly understand your crusade on the listed temperature as this is something I stumbled over in another thread. I am working off the following byo article which lists both target pH at mash and room temp. Using the pH values I listed at mash temp has lead me to good efficiencies so take my...

Higher delta pressure = greater volumetric flow. I use an 800gph pump to push sanitizer through my cfc. By the time it goes through everything the pressure drop reduces it to ~1gpm vs the rated ~13. This is why on larger industrial chillers you'll even see rotary vane pumps for increased...

You are really nice for this. I figured most of these things are sold As-is.

Is that flow rate straight off the pump or through the circuit? Most of these aquarium style pumps have very low pressure capabilities and they slow down hard with tubing and the coil. If you can measure the flow through the circuit, and more importantly the temperature of the liquid coming...

Agreed. After I first built my panel I couldn't get the element to fire the first time around and I was not getting power on the load side of my contactor despite hearing a click. I cycled the contactor a couple times and then it was working fine. Because it was touchy I confirmed that there...

This, ambient humidity will impact your rate of ambient loss more than a couple degrees of air temp. If you are in florida as you state you are going to be hindered. Have you considered trying a higher capacity pump to push the glycol through the coils? Without seeing how the temperature in your...

I used to be an application engineer at a company that built and sold all types of exchangers including plate and frame. Please look up the cost of a replacement set of gaskets before you decide to invest. These are a service item. Additionally, depending on your batch size, is the dead volume...

I too use RO for all my brewing and for stouts I actually mash everything but the dark grains and target ~5.35 15mins into the mash @Mash temperature. From there I add the dark grains during mashout with enough baking soda to bring the pH to 5.5. I use Bru N water to figure out how much salts...

Early on when my wife didn't really like fancy beer this was a winner for her. https://www.homebrewtalk.com/threads/swmbo-slayer-belgian-blonde.26599/

You def have a contamination of some kind. Have you tried following your cleaning steps as you do them normally, waiting for everything to dry. Then filling up all fluid contacted vessels, exchangers, and valves with some water. Measure the pH of the water before it goes in your vessels, and...

Do you have a CO2 tank with constant gas supply to the fermenter as it is chilling? If not then your headspace pressure will go down due to the decrease in temperature causing the gas to contract and absorb into the liquid. As for your question on oil filled gauges. The colder they get the more...

If you have a well stocked hardware store you may be able to get away with it. If not, carefully measure your existing o rings. Figure out their dash number, and order to your hearts content from Amazon, McMaster, Etc. https://www.parcoinc.com/products/o-rings/o-ring-size-chart/

You say calibration solutions are reading right. As in after you took your 5.76 sample you checked the calibration solution again?

Thank you for the kind words! I look forward to your results, and I am curious what wattage you can get out of the size heat mat you can fit on the 20gallon!

Hello, are you looking to sell that counterflow exchanger? If so what price are you looking for it?

Pardon the delayed response boss. I am running a 10 gal mash tun. For your 20 gallon if you're having trouble raising temps with 1600w, you may want to look into a larger element running 240v. The heating mat I am running has a maximum output of 500W. Also look into your recirculation rate. When...

A frustrated nano brewery is still a nano brewery.

I really recommend this one. It is bulkier than pen style ones, but it reads and calibrates fast. Another big benefit is that it uses a standard BNC connector for the probe, so you can shop around for any replacement probe with a BNC connector and an Ag/AgCl reference junction.

Retaining clip for 9.5mm duotight fittings. https://www.printables.com/model/778248-95mm-duotight-retaining-clip

Thank you for this link. That chart with the affiliated link provide some real useful information to this topic's main question. Seems I have been making 2 errors that cancel out. Error one was assuming that ATC works as overall temperature compensation on the measured value, and error two was...